public class Test{
    public static void main(String[] args){
        //进制
        //byte b1=0b10100;
        //byte b2=024;
        //byte b3=20;
        //byte b4=0x14;
        //System.out.println("b1: "+b1);
        //System.out.println("b2: "+b2);
        //System.out.println("b3: "+b3);
        //System.out.println("b4: "+b4);
        // price =8.0f;
        //System.out.println("price: "+price);
        //int length=10.5;
        //System.out.println("length: "+length);
        byte byd1=10;
 byte byd2=5;
double byd3=1.0;
double byd4=(byd1-5)*byd2+byd3;
byte byd5=3+4;
// byte byd6=byd1+byd2;
System.out.println("byd4="+byd4);
System.out.println("byd5="+byd5);
//  System.out.println("byd6="+byd6);
// 强转
float q=(float)3.14;
double float4=(float)((byd1-5)*byd2+byd3);
System.out.println("float4="+float4);
}
}